Electronics Forum | Wed Feb 01 04:29:37 EST 2006 | rlackey
That would be the lightning effect, with increased humidity reducing resistance. 1500 VDC or 1500 VAC? What is the distance between the edges of the pads - i.e. not the pitch of the component, but the actual physical distance between conductors? A
Electronics Forum | Thu Feb 02 09:16:57 EST 2006 | lyrtech
Hi, I have some questions about material used in PCB for RoHS compliancy. It seems to be fuzzy between may manufacturer. Here are my questions: 1) What is the recommended material for lead-free assembly? 2) What's the difference between FR4 High Tg
Electronics Forum | Wed Feb 08 11:55:28 EST 2006 | dany
Hi all, we are manufacturing smt components and some weeks ago our customers are facing many problems related to weeting and solderability. I know it is due to the Lead free processes, but anyway, we are quite confuse. In case it was possible, what c
Electronics Forum | Mon Feb 13 13:26:21 EST 2006 | pjc
If you're asking about wave solder machine, yes you can run Sn/Pb in a "Pb Free" machine. The concern is that when its time to run Pb Free you're going to have to remove all the parts from the solder pot to remove all the Pn/Pb solder residue from po
Electronics Forum | Fri Oct 06 12:58:07 EDT 2006 | cw
hi All, Anyone use snap on type EMI sheilding before? I would like to provide a DFM to a customer who currently have a EMI shield soldered on the boards, which i found this not quite manufacturing friendly as it block the view for inspection, plus re
Electronics Forum | Tue Feb 21 09:10:27 EST 2006 | gregp
To everyone who hates vibe feeders, Follow this link--http://www.contactsystems.com/C5.htm Scroll down and click on the video clip that says stick feeders. Yes, I work for Contact System--but this is such a great solution for tube parts. I consider
Electronics Forum | Thu Feb 16 12:07:19 EST 2006 | dpmilk
We have been using Coilcraft 1008CS inductors for several years. We have had problems with them turning green when we use lead-free solder paste. We have tried several solder pastes (water soluble and no-clean)from different manufacturers, but the
Electronics Forum | Wed Feb 22 09:48:24 EST 2006 | slaine
Hi Ive checked into this a bit more, there are two coatings im told you can get one is a teflon coating that you paint on then bake, the other is a red oxide (lead free) paint. Also if your using solder pots and they are close grain cast iron they a
Electronics Forum | Wed Feb 22 12:19:49 EST 2006 | Dirka Jihabi
I worked for a EMS who makes Medical Device Electronics, and yeah, the FDA's methodology for validation is a complete cluster-fudge! They did it on the principle of...does the shop air going into your equipment REALLY 80 PSI...or is there REALLY 220
Electronics Forum | Thu Feb 23 11:40:45 EST 2006 | billyd
My company is looking to run some small validation cards to verify our Pb free process for potential customers. Basocally, we'd like to print a small card, place some components, say 0402 to a small BGA, maybe some thru-hole stuff, and reflow it. So
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